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Top Phone Support Services in Sofia

Ratings Updated: April 4, 2026
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6 Leaders 7 Contenders

13 Companies

Country: Bulgaria
City: Sofia
Customer Service Outsourcing: Phone Support Services

List of the Top Sofia Customer Service Phone Support Companies

  • Pontica Solutions Logotype

    4.7 3 reviews
    Premier Verified
    Undisclosed
    < $25 / hr
    250 - 999
    Sofia, Bulgaria

    Services provided

    40% Customer Service Outsourcing
    30% Back Office Outsourcing
    20% IT Staff Augmentation +2
    5% AI Consulting
    5% Generative AI

    Focus Areas

    20% Phone Support Services
    35% Chat Support Services
    35% Email Support Services +1
    10% Order Processing & Taking

    Pontica Solutions is a Customer Service Outsourcing company that excels in providing call center and customer support services. The reviews highlight their strong project management, flexibility, and effective communication, with 100% positive feedback on their ability to reduce call wait times and improve customer satisfaction. Their personal approach and responsiveness were consistently praised by clients.

    See all 3 projects
    2 of 2 Phone Support Services reviews are 5 stars
    2 new reviews for Phone Support Services in past 6 months
    Unknown avg. project cost

    Phone Support Services Experience

    Pontica Solutions has received predominantly positive feedback for their Phone Support Services, with clients highlighting a strong customer support approach and effective communication. Notably, both reviews commend their ability to manage customer inquiries efficiently, resulting in improved customer satisfaction scores, rising from 80% to over 90%. 100% of reviewers appreciated their responsiveness and adherence to service levels, indicating strong project management skills. Overall, there were no reported areas for improvement, emphasizing their expertise and client-centric focus.

    Read Most Recent Review

    Industry Experience

    Pontica Solutions has demonstrated expertise across multiple industries, including Transportation, Financial Services, and Logistics & Supply Chain. Feedback indicates strong performance in customer service management, operational flexibility, and responsiveness, leading to measurable improvements in customer satisfaction and operational efficiency. Their ability to adapt to specific industry needs shows a solid fit for clients seeking reliable support in high-demand sectors, particularly in logistics and customer-facing services.

    Read All Reviews

    Select Industry to see insights

    Transportation Financial services Logistics & Supply Chain

    Average Project Cost Breakdown

    $1,000,000 to $9,999,999 (1)

    What Clients Have Said

    Clients consistently highlight Pontica Solutions' competitive pricing and excellent value for money. For instance, a transportation company noted that Pontica's pricing fit their budget and provided good value relative to cost. Similarly, a Department Head at Qonto emphasized the company's strong alignment with their needs and great cultural fit, attributing this to the good value for cost. Overall, sentiment regarding pricing is positive, with clients appreciating the balance between cost and quality of service.
    Read All Reviews

    View projects from:

    France (2) Switzerland (1)

    This provider is fluent in 5 languages:

    • English
    • French
    • German
    • Italian
    • Bulgarian
    View Profile Visit Website
  • MarKam Solutions Logotype

    5.0 9 reviews
    Premier Verified
    $1,000+
    < $25 / hr
    50 - 249
    Sofia, Bulgaria

    Services provided

    20% Customer Service Outsourcing
    30% Call Center Services
    20% IT Managed Services +2
    20% Sales Outsourcing
    10% Back Office Outsourcing

    Focus Areas

    35% Phone Support Services
    25% Order Processing & Taking
    20% Chat Support Services +1
    20% Email Support Services

    MarKam Solutions is a Customer Service BPO, specializing in outsourcing customer support and operational efficiency. The company has consistently received positive feedback for its adaptability, professional project management, and ability to offer cost-effective solutions, with 100% of reviewers mentioning satisfaction with their tailored services and commitment to exceeding expectations.

    See all 9 projects
    3 of 3 reviews are 5 stars
    1 new review for Customer Service Outsourcing services
    $10,000 – $49,000 avg. project cost

    Reviewed 3 times in the past 6 months

    Recent reviews of MarKam Solutions reflect a strong overall sentiment, highlighting their exceptional project management, responsiveness, and ability to tailor solutions to client needs. Clients praised their effective communication and quick adaptation to changes, with one noting a 50% increase in lead generation. Another remarked on their personal approach and commitment to delivering quality services within budget constraints. No significant areas for improvement were identified, underscoring their reliability and professionalism.
    Read 3 Recent Reviews
    5 of 5 Customer Service Outsourcing reviews are 5 stars
    1 new review for Customer Service Outsourcing in past 6 months
    $50,000 – $199,999 avg. project cost

    Customer Service Outsourcing PROJECT HIGHLIGHT

    Call Center Services for Logistics & Supply Chain Company

    5.0 — MarKam Solutions provides outsourcing services for a logistics and supply chain company. The team is tasked with improving customer satisfaction, implementing new tech, and reducing operational Read more
    Read 5 Reviews

    Industry Experience

    MarKam Solutions has demonstrated expertise across various sectors, including Advertising & Marketing, Supply Chain & Logistics, Manufacturing, Transportation, and Information Technology. Clients commend their ability to enhance operational efficiency, boost sales, and improve customer satisfaction. The overall sentiment is highly positive, particularly within Supply Chain & Logistics, where they provided significant cost reductions and revenue growth. Their strengths lie in adaptability, effective communication, and a strong understanding of industry-specific needs, making them a suitable partner across these diverse fields.

    Read All Reviews

    Select Industry to see insights

    Advertising & marketing Information technology Supply Chain, Logistics, and Transport Manufacturing Transportation

    View projects from:

    United States (4) Bulgaria (3) England (1)

    This provider is fluent in 10 languages:

    • Arabic
    • English
    • Dutch
    • German
    • Romanian
    • Spanish
    • Swedish
    • Russian
    • Portuguese
    • Italian
    View Profile Visit Website
  • Mercatus Logotype

    4.8 22 reviews
    Verified
    $5,000+
    < $25 / hr
    50 - 249
    Sofia, Bulgaria

    Services provided

    50% Customer Service Outsourcing
    20% Sales Outsourcing
    10% Back Office Outsourcing +2
    10% Call Center Services
    10% IT Staff Augmentation

    Focus Areas

    28% Phone Support Services
    41% Chat Support Services
    31% Email Support Services

    Mercatus is a lead generation and outreach company offering services such as LinkedIn campaigns, cold calling, and email outreach to increase client visibility and generate business leads. Feedback from clients is generally positive, with 90% highlighting impressive project management, open communication, and effective campaign execution. However, 20% noted challenges in expanding market reach, suggesting areas for improvement in targeting specific industries and markets.

    See all 22 projects
    1 of 1 reviews is 5 stars
    $50,000 – $199,999 avg. project cost

    Reviewed 1 time in the past 6 months

    In recent reviews, clients commend Mercatus for their effective lead generation and outreach strategies, particularly highlighting success in the Bulgarian market. One executive noted significant appointment settings and increasing product visibility due to Mercatus's proactive efforts. However, there are suggestions for improvement in expanding outreach in the UK market. Overall sentiment remains positive, with clients appreciating the team's project management and communication skills.
    Read 1 Recent Review

    Industry Experience

    Mercatus demonstrates strong expertise in lead generation across diverse industries including Consulting, IT Services, Engineering, Retail, Software, Consumer Products, Construction, and Financial Services. Clients commend their effective communication, project management, and ability to adapt to specific industry needs. Overall sentiment is positive, with notable success in enhancing sales pipelines and client engagement, particularly in IT and Consulting. Potential clients in these sectors may find Mercatus to be a suitable partner for their lead generation and outreach initiatives.

    Read All Reviews

    Select Industry to see insights

    Information technology Consulting IT Services Engineering Retail Software Consumer Products Construction Manufacturing Human Resources Financial services

    Average Project Cost Breakdown

    Less than $10,000 (11) $10,000 to $49,000 (5) $50,000 to $199,999 (2)

    What Clients Have Said

    Clients consistently highlight Mercatus for providing good value for money, with feedback indicating that their pricing aligns well with budget expectations. One client noted, 'Pricing fit our budget' and described the service as 'good value for cost.' Another emphasized that their investment was repaid within a year. Despite some suggestions for lower prices, the overall sentiment remains positive, with clients appreciating the quality of services relative to the costs incurred.
    Read All Reviews

    View projects from:

    Bulgaria (17) Romania (2) Estonia (1) Spain (1)

    This provider is fluent in 24 languages:

    • English
    • Spanish
    • Arabic
    • Russian
    • Portuguese
    • German
    • French
    • Turkish
    • Italian
    • Polish
    • Ukrainian
    • Romanian
    View all languages

    This provider is available in 6 time zones:

    • Greenwich Mean Time (GMT)
    • Arabia Standard Time (AST)
    • Central European Time (CET)
    • Central Standard Time (CST)
    • Eastern European Time (EET)
    • Eastern Standard Time (EST)
    View Profile Visit Website

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  • CXG Business Process Outsourcing Logotype

    5.0 1 review
    Undisclosed
    Undisclosed
    50 - 249
    Sofia, Bulgaria

    Services provided

    25% Customer Service Outsourcing
    24% Call Center Services
    21% Back Office Outsourcing +2
    15% Recruiting
    15% Staffing

    Focus Areas

    42% Phone Support Services
    29% Chat Support Services
    29% Email Support Services

    CXG Business Process Outsourcing is a specialized BPO company known for its efficiency in scaling teams to manage shared services, AI training, and data analytics. Reviews highlight their professionalism, effective collaboration, and adaptability, with a 100% positive feedback rate. Clients appreciate their ability to backfill positions swiftly, ensuring seamless service delivery.

    See all 1 projects

    Industry Experience

    CXG Business Process Outsourcing has demonstrated strong expertise in the Software industry, particularly in managed and shared services for a SAAS company in Business Spend Management. The firm's strengths include rapid resource ramp-up, effective team integration, and AI training for invoice processing and data classification. Clients express satisfaction with CXG's professionalism and collaborative approach, resulting in seamless service delivery and team support. Overall, CXG is well-suited for clients in the Software sector seeking agile and efficient outsourcing solutions.

    Read All Reviews

    Select Industry to see insights

    Software

    Average Project Cost Breakdown

    $200,000 to $999,999 (1)

    What Clients Have Said

    Clients generally perceive CXG Business Process Outsourcing as offering strong value for money. One client noted that CXG's pricing was competitive compared to IT-focused service providers, highlighting their specialization in BPO. The swift ramp-up of resources and the ability to fill positions quickly were also praised, emphasizing the cost-effectiveness of their services. Overall, the sentiment reflects satisfaction with both the cost and the quality of service provided.
    Read All Reviews
    View Profile
  • Euroccor JSC Logotype

    4.5 1 review
    $1,000+
    $25 - $49 / hr
    50 - 249
    София, Bulgaria

    Services provided

    15% Customer Service Outsourcing
    65% Call Center Services
    10% Sales Outsourcing +1
    10% Social Media Marketing

    Focus Areas

    100% Phone Support Services

    Euroccor JSC is a company specializing in listing quality checks. The reviews highlight their exceptional attention to detail and effective communication, with 100% positive feedback regarding time savings and workflow efficiency. While their speed of service is praised, there is a suggestion for further improvement in this area.

    See all 1 projects

    Industry Experience

    Euroccor JSC has demonstrated strong expertise in the Human Resources sector, specifically in the area of listing quality checks for online job boards. Feedback highlights their exceptional attention to detail and effective communication, which have led to significant time savings for clients. The overall sentiment in this industry is positive, indicating that Euroccor is a reliable partner for HR-related projects.

    Read All Reviews

    Select Industry to see insights

    Human Resources

    Average Project Cost Breakdown

    What Clients Have Said

    Clients have generally reported that Euroccor JSC offers good value for money, particularly noting their efficiency in saving time during projects. One client highlighted the company's attention to detail as exceptional, which contributes positively to their perceived value. However, there is a suggestion for improvement regarding the speed of service, indicating room for enhancement in their overall responsiveness. Overall, the sentiment reflects satisfaction with the cost relative to the quality of services provided.
    Read All Reviews
    View Profile
  • InfoSource Bulgaria Ltd Logotype

    4.5 2 reviews
    $1,000+
    < $25 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    10% Customer Service Outsourcing
    20% Back Office Outsourcing
    20% Call Center Services +3
    20% Document Digitization & Management
    20% Recruiting
    10% Finance & Accounting Outsourcing (FAO)

    Focus Areas

    10% Phone Support Services
    35% Order Processing & Taking
    30% Chat Support Services +1
    25% Email Support Services

    InfoSource Bulgaria Ltd is a data management and analysis company specializing in extracting and structuring information from financial and executive reports. The company is consistently praised for its cost-effectiveness, attention to detail, and responsive project management. Approximately 100% of reviewers highlighted their satisfaction with the quality of service and customer-focused approach.

    See all 2 projects

    Reviews mention Proactive

    Clients have consistently praised InfoSource Bulgaria Ltd for their proactive approach to project management. One client highlighted their responsiveness, stating that the team was 'always very responsive, timely and pro-active.' Additionally, they appreciated the ongoing support in identifying market changes. Overall, the sentiment reflects a strong satisfaction with the company's ability to anticipate needs and deliver quality service efficiently.
    • Financial Services for Financial & Economic Media Company
      5.0 Sep 14, 2023

      Project management on our project was always very responsive, timely and pro-active. We have always been very happy to work with Infosource for different reasons: They focus on customer happiness, high quality for a fair price, very responsive, easygoing and great to work with.

      Read Full Review
    Read All Reviews

    Industry Experience

    InfoSource Bulgaria Ltd has demonstrated expertise primarily in the Media and Software industries. Clients in the Media sector praised their responsiveness, quality, and alignment with company values, resulting in successful data analysis of financial reports. In the Software industry, they were recognized for precision and attention to detail in manual curation projects, particularly in talent intelligence. Overall, client sentiment reflects satisfaction with cost-effectiveness and proactive communication, making them a strong option for companies in these fields.

    Read All Reviews

    Select Industry to see insights

    Software Media

    Average Project Cost Breakdown

    $50,000 to $199,999 (1)

    What Clients Have Said

    Clients have consistently praised InfoSource Bulgaria Ltd for their cost-effectiveness and overall value for money. One client highlighted that their pricing fit the budget and provided good value, emphasizing their focus on customer satisfaction and high-quality service at fair prices. Another review specifically noted the company's remarkable cost-effectiveness and attention to detail, affirming their ability to deliver precision and accuracy in their work.
    Read All Reviews

    View projects from:

    Netherlands (1) United States (1)
    View Profile
  • Sixty K Ltd Logotype

    Not yet reviewed

    $50,000+
    < $25 / hr
    1,000 - 9,999
    Sofia, Bulgaria

    Services provided

    80% Customer Service Outsourcing
    10% Back Office Outsourcing
    10% Call Center Services

    Focus Areas

    77% Phone Support Services
    23% Chat Support Services

    Sixty K Ltd is a large Customer Service Outsourcing company. Founded in 2008, the team focuses on Customer Service Outsourcing and Back Office Outsourcing.

    Read more
    View Profile
  • MarketStar Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    1,000 - 9,999
    Sofia, Bulgaria

    Services provided

    15% Customer Service Outsourcing
    65% Sales Outsourcing
    10% Digital Strategy +1
    10% Marketing Strategy

    Focus Areas

    15% Phone Support Services
    50% Chat Support Services
    20% Email Support Services +1
    15% Order Processing & Taking

    MarketStar is a Sales Outsourcing company. Established in 1988, the firm is in Ogden, Utah and Dublin, Ireland. Their services include Sales Outsourcing and Customer Service Outsourcing.

    Read more

    Sofia, Bulgaria

    bulevard "Cherni vrah"
    Sofia, Bulgaria 1415

    201 - 250

    359 89 593 6318

    See All Locations (6)
    View Profile
  • ODEON msc - A TTC brand Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    10% Customer Service Outsourcing
    20% Finance & Accounting Outsourcing (FAO)
    20% HR Consulting +5
    10% Accounting
    10% Back Office Outsourcing
    10% Business Consulting
    10% Call Center Services
    10% Sales Outsourcing

    Focus Areas

    40% Phone Support Services
    25% Chat Support Services
    25% Email Support Services +1
    10% Order Processing & Taking

    Established in 2019, ODEON msc - A TTC brand is a Finance & Accounting Outsourcing (FAO) company. The team offers Finance & Accounting Outsourcing (FAO) and HR Consulting.

    Read more
    View Profile
  • ACS Bulgaria Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    25% Customer Service Outsourcing
    20% Staffing
    15% Back Office Outsourcing +4
    15% Business Consulting
    15% HR Outsourcing
    5% IT Managed Services
    5% IT Staff Augmentation

    Focus Areas

    20% Phone Support Services
    40% Order Processing & Taking
    20% Chat Support Services +1
    20% Email Support Services

    ACS Bulgaria is a Customer Service Outsourcing company launched in 2022. The agency provides Customer Service Outsourcing and Staffing.

    Read more
    View Profile
  • Euro Connect Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Sofia, Bulgaria

    Services provided

    40% Customer Service Outsourcing
    40% Call Center Services
    20% Sales Outsourcing

    Focus Areas

    50% Phone Support Services
    50% Order Processing & Taking

    Euro Connect is a small phone answering service in Sofia, Bulgaria. The team offers Call Center Services and Customer Service Outsourcing.

    Read more
    View Profile
  • Callhalla Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Sofia, Bulgaria

    Services provided

    50% Customer Service Outsourcing
    50% Call Center Services

    Focus Areas

    100% Phone Support Services

    Callhalla, an answering service and Customer Service Outsourcing company, was established in 2014. The small team offers Call Center Services and Customer Service Outsourcing.

    Read more
    View Profile
  • Alba Center Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Sofia, Bulgaria

    Services provided

    25% Customer Service Outsourcing
    50% Call Center Services
    25% Sales Outsourcing

    Focus Areas

    100% Phone Support Services

    Alba Center, a small phone answering service, is headquartered in Sofia, Bulgaria. The team focuses on Call Center Services and Sales Outsourcing.

    Read more
    View Profile

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1 Mercatus
2 Pontica Solutions
3 MarKam Solutions
4 CXG Business Process Outsourcing
5 Euroccor JSC
6 InfoSource Bulgaria Ltd

List of the Top 6 Sofia Customer Service Phone Support Companies

  1. Mercatus Logotype

    Mercatus

    $5,000+
    < $25 / hr
    50 - 249
    Sofia, Bulgaria

    Ability to deliver

    32.3/40.0
    16.8/20 Reviews
    9.8/10 Clients & Experience
    5.7/10 Market Presence

    Service focus

    50% Customer Service Outsourcing
    28% Phone Support Services
    50% Other
    View Profile Visit Website
  2. Pontica Solutions Logotype

    Pontica Solutions

    Undisclosed
    < $25 / hr
    250 - 999
    Sofia, Bulgaria

    Ability to deliver

    30/40.0
    15.8/20 Reviews
    7.1/10 Clients & Experience
    7.1/10 Market Presence

    Service focus

    40% Customer Service Outsourcing
    20% Phone Support Services
    60% Other
    View Profile Visit Website
  3. MarKam Solutions Logotype

    MarKam Solutions

    $1,000+
    < $25 / hr
    50 - 249
    Sofia, Bulgaria

    Ability to deliver

    32.6/40.0
    17.6/20 Reviews
    10/10 Clients & Experience
    5/10 Market Presence

    Service focus

    20% Customer Service Outsourcing
    35% Phone Support Services
    80% Other
    View Profile Visit Website
  4. CXG Business Process Outsourcing Logotype

    CXG Business Process Outsourcing

    Undisclosed
    Undisclosed
    50 - 249
    Sofia, Bulgaria

    Ability to deliver

    25/40.0
    16.2/20 Reviews
    3.9/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    25% Customer Service Outsourcing
    42% Phone Support Services
    75% Other
    View Profile Visit Website
  5. Euroccor JSC Logotype

    Euroccor JSC

    $1,000+
    $25 - $49 / hr
    50 - 249
    София, Bulgaria

    Ability to deliver

    22.9/40.0
    14.6/20 Reviews
    3/10 Clients & Experience
    5.3/10 Market Presence

    Service focus

    15% Customer Service Outsourcing
    100% Phone Support Services
    85% Other
    View Profile Visit Website
  6. InfoSource Bulgaria Ltd Logotype

    InfoSource Bulgaria Ltd

    $1,000+
    < $25 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    25.2/40.0
    14.8/20 Reviews
    5.5/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    10% Customer Service Outsourcing
    10% Phone Support Services
    90% Other
    View Profile Visit Website
  7. Sixty K Ltd Logotype

    Sixty K Ltd

    $50,000+
    < $25 / hr
    1,000 - 9,999
    Sofia, Bulgaria

    Ability to deliver

    5.3/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.3/10 Market Presence

    Service focus

    80% Customer Service Outsourcing
    77% Phone Support Services
    20% Other
    View Profile Visit Website
  8. MarketStar Logotype

    MarketStar

    Undisclosed
    Undisclosed
    1,000 - 9,999
    Sofia, Bulgaria

    Ability to deliver

    5.8/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.8/10 Market Presence

    Service focus

    15% Customer Service Outsourcing
    15% Phone Support Services
    85% Other
    View Profile Visit Website
  9. ODEON msc - A TTC brand Logotype

    ODEON msc - A TTC brand

    $1,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    8.2/40.0
    0/20 Reviews
    3.6/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    10% Customer Service Outsourcing
    40% Phone Support Services
    90% Other
    View Profile Visit Website
  10. ACS Bulgaria Logotype

    ACS Bulgaria

    $5,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    4.1/40.0
    0/20 Reviews
    0.1/10 Clients & Experience
    4/10 Market Presence

    Service focus

    25% Customer Service Outsourcing
    20% Phone Support Services
    75% Other
    View Profile Visit Website
  11. Euro Connect Logotype

    Euro Connect

    $1,000+
    $25 - $49 / hr
    2 - 9
    Sofia, Bulgaria

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    40% Customer Service Outsourcing
    50% Phone Support Services
    60% Other
    View Profile Visit Website
  12. Callhalla Logotype

    Callhalla

    $1,000+
    $25 - $49 / hr
    2 - 9
    Sofia, Bulgaria

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    50% Customer Service Outsourcing
    100% Phone Support Services
    50% Other
    View Profile Visit Website
  13. Alba Center Logotype

    Alba Center

    $1,000+
    $25 - $49 / hr
    2 - 9
    Sofia, Bulgaria

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    25% Customer Service Outsourcing
    100% Phone Support Services
    75% Other
    View Profile Visit Website

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